diff --git a/src/passbook-vuln-1.c b/src/passbook-vuln-1.c
index cfbd18095e9aa155cd6c76068de286b3e25e3ad5..9a6227d2a70019f1f06a45fe65ca963be8dc2d16 100644
--- a/src/passbook-vuln-1.c
+++ b/src/passbook-vuln-1.c
@@ -215,7 +215,7 @@ unsigned int tokenise(char *str, char * toks[], unsigned int toksLen){
 }
 
 #define MAX_LINE_LENGTH  1022
-#define MAX_INSTRUCTIONS 65536
+#define MAX_INSTRUCTIONS 1024
 /* two extra chars in each line: the newline '\n' and NUL '\0' */
 #define INSTRUCTION_LENGTH (MAX_LINE_LENGTH+2)
 
diff --git a/src/passbook-vuln-2.c b/src/passbook-vuln-2.c
index cfbd18095e9aa155cd6c76068de286b3e25e3ad5..9a6227d2a70019f1f06a45fe65ca963be8dc2d16 100644
--- a/src/passbook-vuln-2.c
+++ b/src/passbook-vuln-2.c
@@ -215,7 +215,7 @@ unsigned int tokenise(char *str, char * toks[], unsigned int toksLen){
 }
 
 #define MAX_LINE_LENGTH  1022
-#define MAX_INSTRUCTIONS 65536
+#define MAX_INSTRUCTIONS 1024
 /* two extra chars in each line: the newline '\n' and NUL '\0' */
 #define INSTRUCTION_LENGTH (MAX_LINE_LENGTH+2)
 
diff --git a/src/passbook-vuln-3.c b/src/passbook-vuln-3.c
index cfbd18095e9aa155cd6c76068de286b3e25e3ad5..9a6227d2a70019f1f06a45fe65ca963be8dc2d16 100644
--- a/src/passbook-vuln-3.c
+++ b/src/passbook-vuln-3.c
@@ -215,7 +215,7 @@ unsigned int tokenise(char *str, char * toks[], unsigned int toksLen){
 }
 
 #define MAX_LINE_LENGTH  1022
-#define MAX_INSTRUCTIONS 65536
+#define MAX_INSTRUCTIONS 1024
 /* two extra chars in each line: the newline '\n' and NUL '\0' */
 #define INSTRUCTION_LENGTH (MAX_LINE_LENGTH+2)
 
diff --git a/src/passbook-vuln-4.c b/src/passbook-vuln-4.c
index cfbd18095e9aa155cd6c76068de286b3e25e3ad5..9a6227d2a70019f1f06a45fe65ca963be8dc2d16 100644
--- a/src/passbook-vuln-4.c
+++ b/src/passbook-vuln-4.c
@@ -215,7 +215,7 @@ unsigned int tokenise(char *str, char * toks[], unsigned int toksLen){
 }
 
 #define MAX_LINE_LENGTH  1022
-#define MAX_INSTRUCTIONS 65536
+#define MAX_INSTRUCTIONS 1024
 /* two extra chars in each line: the newline '\n' and NUL '\0' */
 #define INSTRUCTION_LENGTH (MAX_LINE_LENGTH+2)
 
diff --git a/src/passbook-vuln-5.c b/src/passbook-vuln-5.c
index cfbd18095e9aa155cd6c76068de286b3e25e3ad5..9a6227d2a70019f1f06a45fe65ca963be8dc2d16 100644
--- a/src/passbook-vuln-5.c
+++ b/src/passbook-vuln-5.c
@@ -215,7 +215,7 @@ unsigned int tokenise(char *str, char * toks[], unsigned int toksLen){
 }
 
 #define MAX_LINE_LENGTH  1022
-#define MAX_INSTRUCTIONS 65536
+#define MAX_INSTRUCTIONS 1024
 /* two extra chars in each line: the newline '\n' and NUL '\0' */
 #define INSTRUCTION_LENGTH (MAX_LINE_LENGTH+2)
 
diff --git a/src/passbook.c b/src/passbook.c
index cfbd18095e9aa155cd6c76068de286b3e25e3ad5..9a6227d2a70019f1f06a45fe65ca963be8dc2d16 100644
--- a/src/passbook.c
+++ b/src/passbook.c
@@ -215,7 +215,7 @@ unsigned int tokenise(char *str, char * toks[], unsigned int toksLen){
 }
 
 #define MAX_LINE_LENGTH  1022
-#define MAX_INSTRUCTIONS 65536
+#define MAX_INSTRUCTIONS 1024
 /* two extra chars in each line: the newline '\n' and NUL '\0' */
 #define INSTRUCTION_LENGTH (MAX_LINE_LENGTH+2)