diff --git a/libsrc/runtime/zeropage.s b/libsrc/runtime/zeropage.s
index 75856f751..2e2b237f6 100644
--- a/libsrc/runtime/zeropage.s
+++ b/libsrc/runtime/zeropage.s
@@ -10,7 +10,7 @@
 
 .zeropage
 
-c_sp:             .res    2     ; Stack pointer
+c_sp:           .res    2       ; Stack pointer
 sreg:           .res    2       ; Secondary register/high 16 bit for longs
 regsave:        .res    4       ; Slot to save/restore (E)AX into
 ptr1:           .res    2
diff --git a/src/cc65/coptptrstore.c b/src/cc65/coptptrstore.c
index 6891d8353..721775380 100644
--- a/src/cc65/coptptrstore.c
+++ b/src/cc65/coptptrstore.c
@@ -468,7 +468,7 @@ unsigned OptPtrStore2 (CodeSeg* S)
             L[6]->OPC == OP65_LDX                               &&
             L[7]->OPC == OP65_LDA                               &&
             L[7]->AM == AM65_ZP_INDY                            &&
-            strcmp (L[7]->Arg, "c_sp") == 0                       &&
+            strcmp (L[7]->Arg, "c_sp") == 0                     &&
             L[8]->OPC == OP65_LDY                               &&
             (L[8]->AM == AM65_ABS                       ||
              L[8]->AM == AM65_ZP                        ||
diff --git a/src/dbginfo/dbgsh.c b/src/dbginfo/dbgsh.c
index 280221fc9..e848c47cd 100644
--- a/src/dbginfo/dbgsh.c
+++ b/src/dbginfo/dbgsh.c
@@ -458,7 +458,7 @@ static unsigned FindIdType (const char* TypeName)
         {   "segment",  SegmentId       },
         {   "source",   SourceId        },
         {   "src",      SourceId        },
-        {   "c_sp",       SpanId          },
+        {   "c_sp",     SpanId          },
         {   "span",     SpanId          },
         {   "sym",      SymbolId        },
         {   "symbol",   SymbolId        },
diff --git a/targettest/atari/mem.c b/targettest/atari/mem.c
index f063d1e46..459c472ec 100644
--- a/targettest/atari/mem.c
+++ b/targettest/atari/mem.c
@@ -41,7 +41,7 @@ int main(void)
   printf("  data:            $%04X  (data)\n", &data);
   printf("  _dos_type:       $%04X  (bss)\n", &_dos_type);
   printf("  allocmem:        $%04X  (dyn. data)\n", allocmem);
-  printf("  c_sp:              $%04X  (stack ptr)\n", getsp());
+  printf("  c_sp:            $%04X  (stack ptr)\n", getsp());
 
   if (allocmem) free(allocmem);
   if (doesclrscrafterexit()) cgetc();