diff --git a/src/cc65/codeinfo.c b/src/cc65/codeinfo.c
index deace1a3b..e5edcca0f 100644
--- a/src/cc65/codeinfo.c
+++ b/src/cc65/codeinfo.c
@@ -98,7 +98,7 @@ static const FuncInfo FuncInfoTable[] = {
     { "boolugt",       	REG_NONE,      	      REG_AX			     },
     { "boolule",       	REG_NONE,      	      REG_AX			     },
     { "boolult",       	REG_NONE,      	      REG_AX			     },
-    { "callax",         REG_AX,               REG_ALL                        }, 
+    { "callax",         REG_AX,               REG_ALL                        },
     { "complax",        REG_AX,               REG_AX			     },
     { "decax1",        	REG_AX,	       	      REG_AX			     },
     { "decax2",        	REG_AX,	       	      REG_AX			     },
@@ -118,15 +118,15 @@ static const FuncInfo FuncInfoTable[] = {
     { "decsp6",        	REG_NONE,      	      REG_A			     },
     { "decsp7",        	REG_NONE,      	      REG_A			     },
     { "decsp8",        	REG_NONE,      	      REG_A			     },
-    { "incax1",         REG_AX,               REG_AXY   		     },
-    { "incax2",         REG_AX,               REG_AXY  			     },
-    { "incax3",         REG_AX,               REG_AXY			     },
-    { "incax4",         REG_AX,               REG_AXY 			     },
-    { "incax5",         REG_AX,               REG_AXY 			     },
-    { "incax6",         REG_AX,               REG_AXY 			     },
-    { "incax7",         REG_AX,               REG_AXY 			     },
-    { "incax8",         REG_AX,               REG_AXY 			     },
-    { "incaxy",         REG_AX,               REG_AXY 			     },
+    { "incax1",         REG_AX,               REG_AX       		     },
+    { "incax2",         REG_AX,               REG_AX  			     },
+    { "incax3",         REG_AX,               REG_AXY | REG_TMP1             },
+    { "incax4",         REG_AX,               REG_AXY | REG_TMP1  	     },
+    { "incax5",         REG_AX,               REG_AXY | REG_TMP1 	     },
+    { "incax6",         REG_AX,               REG_AXY | REG_TMP1 	     },
+    { "incax7",         REG_AX,               REG_AXY | REG_TMP1 	     },
+    { "incax8",         REG_AX,               REG_AXY | REG_TMP1 	     },
+    { "incaxy",         REG_AXY,              REG_AXY | REG_TMP1       	     },
     { "incsp1",	       	REG_NONE,      	      REG_NONE			     },
     { "incsp2",	       	REG_NONE,      	      REG_Y			     },
     { "incsp3",	       	REG_NONE,      	      REG_Y			     },