diff --git a/amxmodx/amx.h b/amxmodx/amx.h
index e56e0d28..05758e0c 100755
--- a/amxmodx/amx.h
+++ b/amxmodx/amx.h
@@ -210,7 +210,7 @@ typedef struct tagAMX_NATIVE_INFO {
 
 #define AMX_USERNUM     4
 #define sEXPMAX         19      /* maximum name length for file version <= 6 */
-#define sNAMEMAX        31      /* maximum name length of symbol name */
+#define sNAMEMAX        63      /* maximum name length of symbol name */
 
 typedef struct tagAMX_FUNCSTUB {
   ucell address         PACKED;
diff --git a/compiler/amxxpc/amx.h b/compiler/amxxpc/amx.h
index ba3d434a..e1e65d48 100755
--- a/compiler/amxxpc/amx.h
+++ b/compiler/amxxpc/amx.h
@@ -208,7 +208,7 @@ typedef struct tagAMX_NATIVE_INFO {
 
 #define AMX_USERNUM     4
 #define sEXPMAX         19      /* maximum name length for file version <= 6 */
-#define sNAMEMAX        31      /* maximum name length of symbol name */
+#define sNAMEMAX        63      /* maximum name length of symbol name */
 
 typedef struct tagAMX_FUNCSTUB {
   ucell address         PACKED;
diff --git a/compiler/libpc300/amx.h b/compiler/libpc300/amx.h
index b7600958..d044c99e 100755
--- a/compiler/libpc300/amx.h
+++ b/compiler/libpc300/amx.h
@@ -217,7 +217,7 @@ typedef struct tagAMX_NATIVE_INFO {
 
 #define AMX_USERNUM     4
 #define sEXPMAX         19      /* maximum name length for file version <= 6 */
-#define sNAMEMAX        31      /* maximum name length of symbol name */
+#define sNAMEMAX        63      /* maximum name length of symbol name */
 
 typedef struct tagAMX_FUNCSTUB {
   ucell address         PACKED;
diff --git a/compiler/libpc300/sc.h b/compiler/libpc300/sc.h
index 69479cab..79996d26 100755
--- a/compiler/libpc300/sc.h
+++ b/compiler/libpc300/sc.h
@@ -56,7 +56,7 @@
 #define sCHARBITS   8       /* size of a packed character */
 
 #define sDIMEN_MAX     3    /* maximum number of array dimensions */
-#define sLINEMAX     511    /* input line length (in characters) */
+#define sLINEMAX     1023    /* input line length (in characters) */
 #define sCOMP_STACK   32    /* maximum nesting of #if .. #endif sections */
 #define sDEF_LITMAX  500    /* initial size of the literal pool, in "cells" */
 #define sDEF_AMXSTACK 4096  /* default stack size for AMX files */