diff --git a/recipes/pdb2fasta/meta.yaml b/recipes/pdb2fasta/meta.yaml
index f1a27eb513069..ac2cbe54733d3 100644
--- a/recipes/pdb2fasta/meta.yaml
+++ b/recipes/pdb2fasta/meta.yaml
@@ -14,7 +14,7 @@ source:
 build:
   number: 0
   run_exports:
-    - {{ pin_subpackage('pdb2fasta', max_pin="x") }}
+    - {{ pin_subpackage('pdb2fasta', max_pin="x.x") }}
 
 requirements:
   build:
diff --git a/recipes/pdb2fasta/pdb2fasta.patch b/recipes/pdb2fasta/pdb2fasta.patch
index d0cf696829648..b9182ba172719 100644
--- a/recipes/pdb2fasta/pdb2fasta.patch
+++ b/recipes/pdb2fasta/pdb2fasta.patch
@@ -6,10 +6,10 @@ index 9642d03..9e8eef1 100644
 +#include<stdlib.h>
  #include<stdio.h>
  #include<string.h>
-
+ 
 @@ -99,14 +100,24 @@ char *pdb2fasta(char *pdb_file){
  }
-
+ 
  int main(int argc, char** argv){
 -    if (argc<2){
 -        printf("pdb2fasta pdb.pdb > seq.fasta\n");
@@ -19,7 +19,7 @@ index 9642d03..9e8eef1 100644
 +        printf("    Convert PDB file pdb.pdb to FASTA sequence file seq.fasta\n");
          return argc;
      }
--
+-    
 -    int i;
 -    for (i=1;i<argc;i++){
 +