diff --git a/kernel/ActionDoxyfile b/kernel/ActionDoxyfile
index b78cdb2..fe3eaf3 100644
--- a/kernel/ActionDoxyfile
+++ b/kernel/ActionDoxyfile
@@ -4,6 +4,7 @@ OPTIMIZE_OUTPUT_FOR_C  = YES
 TYPEDEF_HIDES_STRUCT   = YES
 EXTRACT_STATIC         = YES
 WARN_NO_PARAMDOC       = YES
+WARN_AS_ERROR          = YES
 INPUT                  = ./kernel
 RECURSIVE              = YES
 EXCLUDE                = kernel/cpu/x86_64
diff --git a/kernel/Doxyfile b/kernel/Doxyfile
index d0f73db..36597dc 100644
--- a/kernel/Doxyfile
+++ b/kernel/Doxyfile
@@ -795,7 +795,7 @@ WARN_NO_PARAMDOC       = YES
 # a warning is encountered.
 # The default value is: NO.
 
-WARN_AS_ERROR          = NO
+WARN_AS_ERROR          = YES
 
 # The WARN_FORMAT tag determines the format of the warning messages that doxygen
 # can produce. The string should contain the $file, $line, and $text tags, which
@@ -2204,7 +2204,8 @@ INCLUDE_FILE_PATTERNS  =
 # recursively expanded use the := operator instead of the = operator.
 # This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
 
-PREDEFINED             = __attribute__(x)= DOXYGEN_SHOULD_SKIP_THIS=
+PREDEFINED             = __attribute__(x)= \
+                         DOXYGEN_SHOULD_SKIP_THIS=
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this
 # tag can be used to specify a list of macro names that should be expanded. The
diff --git a/kernel/pmem.h b/kernel/pmem.h
index 59556ff..8aed39e 100644
--- a/kernel/pmem.h
+++ b/kernel/pmem.h
@@ -24,6 +24,6 @@ void* pmem_alloc(int num_pages);
  * \param start The address to start freeing at.
  * \param num_pages The number of frames to free
 */
-void pmem_free(int start,int num_pages);
+void pmem_free(void* start,int num_pages);
 
 #endif
diff --git a/libc/ActionDoxyfile b/libc/ActionDoxyfile
index 5de1dcf..ea71aa8 100644
--- a/libc/ActionDoxyfile
+++ b/libc/ActionDoxyfile
@@ -4,6 +4,7 @@ OPTIMIZE_OUTPUT_FOR_C  = YES
 TYPEDEF_HIDES_STRUCT   = YES
 EXTRACT_STATIC         = YES
 WARN_NO_PARAMDOC       = YES
+WARN_AS_ERROR          = YES
 INPUT                  = ./libc
 RECURSIVE              = YES
 EXCLUDE                = elf.h grub/multiboot2.h
diff --git a/libc/Doxyfile b/libc/Doxyfile
index 326bb83..8b73b9a 100644
--- a/libc/Doxyfile
+++ b/libc/Doxyfile
@@ -4,6 +4,7 @@ OPTIMIZE_OUTPUT_FOR_C  = YES
 TYPEDEF_HIDES_STRUCT   = YES
 EXTRACT_STATIC         = YES
 WARN_NO_PARAMDOC       = YES
+WARN_AS_ERROR          = YES
 INPUT                  = /Users/peterterpstra/Desktop/projects/os/libc
 RECURSIVE              = YES
 EXCLUDE                = libc/elf.h libc/grub/multiboot2.h